const a = 12;
const b = 5;
const sum = ()=>{
	console.log(a+b)
	return a + b;
}

const show = ()=>{
	console.log('执行了show');
	return 1;
}

class Person{
	constructor(name,age) {
	    this.name = name;
		this.age = age;
	}
	
	showName(){
		return `我的名字是${this.name},年龄为${this.age}`;
	}
}
export{
	a,
	b,
	sum,
	show
}

export default {
	Person
}